add comment on updated logic

Author: nikhilsinhaparseable

src/users/filters.rs

@@ -185,6 +185,10 @@ impl Filters {
                 continue;
             };
             let filter_type = &f.query.filter_type;
+
+            // if filter type is one of SQL or filter
+            // then check if the user has access to the dataset based on the query string
+            // if filter type is search then check if the user has access to the dataset based on the dataset name
             if *filter_type == FilterType::SQL || *filter_type == FilterType::Filter {
                 if (user_auth_for_query(key, query).await).is_ok() {
                     filters.push(f.clone())